ffmpeg flv/mp4 -
Rick Stevens
ricks at alldigital.com
Thu Sep 13 17:03:42 UTC 2012
On 09/12/2012 02:52 PM, Bob Goodwin - Zuni, Virginia, USA uttered this
comment:
> On 12/09/12 12:36, Rick Stevens types:
>
>
> Get on the server with the flv files and use:
>
> ffmpeg -i input.flv -sameq -ar 22050 output.mp4
>
> Replace "input.flv" with the source filename and "output.mp4" with your
> desired output file name. That should do it.
>
> I tried that earlier but don't no how to deal with the errors.
>
> [root at box7 dwhelper]# ffmpeg -i 3852374-xxxx_bashing_.flv -sameq
> -ar 22050 output.mp4
> WARNING: gnome-keyring:: couldn't connect to:
> /run/user/bobg/keyring-66uQyY/pkcs11: No such file or directory
> ffmpeg version 0.10.4 Copyright (c) 2000-2012 the FFmpeg developers
> built on Jul 20 2012 22:00:57 with gcc 4.7.0 20120507 (Red
> Hat 4.7.0-5)
> configuration: --prefix=/usr --bindir=/usr/bin
> --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg
> --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64
> --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
> -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64
> -mtune=generic' --enable-bzlib --disable-crystalhd
> --enable-gnutls --enable-libass --enable-libcdio
> --enable-libcelt --enable-libdc1394 --disable-indev=jack
> --enable-libfreetype --enable-libgsm --enable-libmp3lame
> --enable-openal --enable-libopenjpeg --enable-libpulse
> --enable-librtmp --enable-libschroedinger --enable-libspeex
> --enable-libtheora --enable-libvorbis --enable-libv4l2
> --enable-libvpx --enable-libx264 --enable-libxvid
> --enable-x11grab --enable-avfilter --enable-postproc
> --enable-pthreads --disable-static --enable-shared --enable-gpl
> --disable-debug --disable-stripping --shlibdir=/usr/lib64
> --enable-runtime-cpudetect
> libavutil 51. 35.100 / 51. 35.100
> libavcodec 53. 61.100 / 53. 61.100
> libavformat 53. 32.100 / 53. 32.100
> libavdevice 53. 4.100 / 53. 4.100
> libavfilter 2. 61.100 / 2. 61.100
> libswscale 2. 1.100 / 2. 1.100
> libswresample 0. 6.100 / 0. 6.100
> libpostproc 52. 0.100 / 52. 0.100
> [flv @ 0x968260] max_analyze_duration 5000000 reached at 5014000
> Input #0, flv, from '3852374-left_politicizes_911_by_bashing_.flv':
> Duration: 00:03:18.62, start: 0.000000, bitrate: 40 kb/s
> Stream #0:0: Audio: aac, 22050 Hz, mono, s16
> Incompatible sample format 's16' for codec 'aac', auto-selecting
> format 'flt'
> [NULL @ 0x96f3e0] Codec is experimental but experimental codecs
> are not enabled, see -strict -2
> Output #0, mp4, to 'output.mp4':
> Stream #0:0: Audio: none, 22050 Hz, mono, flt, 128 kb/s
> Stream mapping:
> Stream #0:0 -> #0:0 (aac -> aac)
> Error while opening encoder for output stream #0:0 - maybe
> incorrect parameters such as bit_rate, rate, width or height
Try rerunning the command but include "-strict experimental" (line
below may be wrapped due to mail message width...should be all on one
line):
ffmpeg -strict experimental -i 3852374-xxxx_bashing_.flv -sameq -ar
22050 output.mp4
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer, AllDigital ricks at alldigital.com -
- AIM/Skype: therps2 ICQ: 22643734 Yahoo: origrps2 -
- -
- Is it progress if a cannibal uses a knife and fork? -
- -- Stanislaw J. Lec -
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